feat: make getDepartmentNameById function

packages/client/src/lib/utils.ts

@@ -1,24 +1,40 @@
 export const getCookieValue = (name: string) =>
 	document.cookie.match('(^|;)\\s*' + name + '\\s*=\\s*([^;]+)')?.pop() || '';
 
-export function getDepartmentLockerCountsByFloor(config: ServiceConfig, departmentId: string): { [floor: string]: number } {
-
+export function getDepartmentLockerCountsByFloor(
+	config: ServiceConfig,
+	departmentId: string
+): { [floor: string]: number } {
 	function countLockers([from, to]: [number, number]): number {
 		return to - from + 1;
 	}
-	const deptLockerSubsections: [string, LockerSubsection[]][] = Object.values(config.buildings).flatMap((building) => {
+
+	const deptLockerSubsections: [string, LockerSubsection[]][] = Object.values(
+		config.buildings
+	).flatMap((building) => {
 		return Object.entries(building.lockers)
-				.map<[string, LockerSubsection[]]>(([floor, sections]) => {
-					const subsections: LockerSubsection[] = Object.values(sections)
-						.flatMap<LockerSubsection>((section: LockerSection) => section.subsections
-							.filter((subsection) => subsection.department === departmentId)
-						)
-					return [floor, subsections];
-				}).filter(([floor, subsections]) => subsections.length)
+			.map<[string, LockerSubsection[]]>(([floor, sections]) => {
+				const subsections: LockerSubsection[] = Object.values(sections).flatMap<LockerSubsection>(
+					(section: LockerSection) =>
+						section.subsections.filter((subsection) => subsection.department === departmentId)
+				);
+				return [floor, subsections];
+			})
+			.filter(([floor, subsections]) => subsections.length);
 	});
-	return deptLockerSubsections.reduce<{ [floor: string]: number }>((result, [floor, subsections]) => {
-		if(typeof result[floor] !== 'number') result[floor] = 0;
-		result[floor] += subsections.reduce<number>((a, subsection) => a + countLockers(subsection.range), 0);
-		return result;
-	},{});
-};
+	return deptLockerSubsections.reduce<{ [floor: string]: number }>(
+		(result, [floor, subsections]) => {
+			if (typeof result[floor] !== 'number') result[floor] = 0;
+			result[floor] += subsections.reduce<number>(
+				(a, subsection) => a + countLockers(subsection.range),
+				0
+			);
+			return result;
+		},
+		{}
+	);
+}
+
+export function getDepartmentNameById(configs: Config[], departmentId: string): string | undefined {
+	return configs.find((conf) => conf.id === departmentId)?.name;
+}